Compilare: main.cpp: In function 'int main()': main.cpp:63:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for (j=0; j<m; j++) ^~~ main.cpp:66:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' int max=0; ^~~ main.cpp:90:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0; i<ans.size(); i++) ~^~~~~~~~~~~